Vulnerability Snapshot
CVE-2016-9269 is rated CRITICAL — exploitation is trivial or already observed in the wild and impact is severe. Patch immediately, not on the next maintenance window.
Affected technology: interscan_web_security_virtual_appliance.
Executive Summary
Remote Command Execution in com.trend.iwss.gui.servlet.ManagePatches in Trend Micro Interscan Web Security Virtual Appliance (IWSVA) version 6.5-SP2_Build_Linux_1707 and earlier allows authenticated, remote users with least privileges to run arbitrary commands on the system as root via Patch Update functionality. This was resolved in Version 6.5 CP 1737.
Why It Matters
CVE-2016-9269 is rated CRITICAL severity, requiring immediate attention from security teams.
CVSS Base Score: 9.9/10
Affected Technologies
Vendors: trendmicro
Products: interscan_web_security_virtual_appliance
🛡️What Defenders Should Check
Use Vulnios to continuously monitor your exposure to CVE-2016-9269 and similar vulnerabilities.
References & Sources
How Vulnios Detects This
Vulnios scans for this vulnerability using Nuclei templates that probe live HTTP surfaces for the published exploit pattern. Run a scan against your environment to see whether you are exposed; findings are linked back to the original CVE record so triage starts with the patch path already known.
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Affected Products
Sources
Related Threat Alerts
- Critical Vulnerability: CVE-2017-11381 — trendmicro — deep_discovery_director
- Critical Vulnerability: CVE-2017-11380 — trendmicro — deep_discovery_director
- Critical Vulnerability: CVE-2017-9034 — trendmicro — serverprotect
- Critical Vulnerability: CVE-2016-8584 — trendmicro — threat_discovery_appliance
- Critical Vulnerability: CVE-2016-7547 — trendmicro — threat_discovery_appliance
- Critical Vulnerability: CVE-2016-7552 — trendmicro — threat_discovery_appliance
Frequently Asked Questions
What is CVE-2016-9269?
CVE-2016-9269 is a critical-severity vulnerability tracked under the Common Vulnerabilities and Exposures program. Remote Command Execution in com.trend.iwss.gui.servlet.ManagePatches in Trend Micro Interscan Web Security Virtual Appliance (IWSVA) version 6.5-SP2_Build_Linux_1707 and earlier allows authenticated,
Am I affected?
Check whether your environment runs interscan_web_security_virtual_appliance. If you operate any of those, treat yourself as in scope until you have evidence otherwise. A Vulnios scan will identify the exact assets carrying the affected version.
How urgent is the response?
Critical: do not wait for your normal patch cycle. Verify exposure today, apply the vendor patch immediately, and add detection rules for any post-exploit indicators.
How do I remediate?
Apply the vendor patch listed in the upstream advisory linked under Sources. If the patch is not yet available, follow the vendor-supplied workaround (often a config flag or feature disable) and add detections for the published exploit pattern in your SIEM. Re-scan after the patch lands to confirm the finding clears.
Where can I track exploitation activity?
Watch CISA's Known Exploited Vulnerabilities catalog for CVE-2016-9269. Cross-reference with public exploit databases and your own SIEM/IDS for indicator-of-compromise patterns. Vulnios tracks KEV status automatically and surfaces it on the asset findings view.
How does Vulnios help with this?
Vulnios continuously cross-references your asset inventory against the live CVE feed (NVD, vendor advisories, CISA KEV, and curated OSINT). When a new CVE matches your environment, you get a prioritized finding with the severity, KEV status, exploit-prediction (EPSS), and a direct path to the vendor patch. You can start a free scan from the homepage.
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